Entry posted by Graham_Muz
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One of the regular operational movements when operating Fisherton Sarum is to bring the 12t box van of spare parts and shed consumables, that has arrived from Eastliegh works, to the shed stores located in the water tower building at its own unloading platform.
Just as at Salisbury this involves a shunt across the turntable. At an exhibition this has required a 12? to the foot scale ‘hand of god’ to uncouple the wagon from the shed pilot loco, or sometimes the ash wagon, until now…
With the simple addition of a short piece of iron wire fixed to the dropper of the tension lock coupling hook, and the installation of a ‘
Dingham’ electromagnetkindly provided by fellowHigh Wycombe and District MRS member and regular Fisherton Sarum operator Mark Riddoch (GWMark on here) the process is now totally hands free!
The bolt of the Dingham electromagnet has been simply self threaded into an interference hole drilled into the baseboard below so that the end of the bolt does not quite come though the ballast keeping it totally invisible from view, whilst firmly holding the coil in place under the board. A simple push to make switch on the control panel provides the required 12v DC for the magnet to operate that pulls down the iron wire dropper that lifts the hook for uncoupling.
This is an extract of my blog at
www.grahammuz.com-
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